Here's what we know.
Laptops, mobile phones and paperwork were seized after police turned up.
A new complaints system will be trialled in November.
There are fears the uncertainty could cause potential recruits to give up in a police career.
An angry mob attempt to lit police on fire
Advocates say the Commission has a blindspot.
Police say they will now pull over and/or fine anyone caught over the speed limit.
"There is a failure to acknowledge the degree and the depth of the police failings."
Alo Ngata died in police custody in 2018.